Answers

Add 14/42 and 21/10

1^st number: 14/42, 2^nd number: 2 1/10

14/42 + 21/10 is 73/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   14/42 = 14 × 5/42 × 5 = 70/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   21/10 = 21 × 21/10 × 21 = 441/210
4. Add the two like fractions:
   70/210 + 441/210 = 70 + 441/210 = 511/210
5. 511/210 simplified gives 73/30
6. So, 14/42 + 21/10 = 73/30
   In mixed form: 213/30

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ²⁸/₄₂+²¹/₁₀ ¹⁴/₄₂+⁴²/₁₀ ¹⁴/₈₄+²¹/₁₀ ¹⁴/₄₂+²¹/₂₀ ¹⁴/₄₂+⁶³/₁₀ ¹⁴/₄₂+²¹/₃₀ ⁷⁰/₄₂+²¹/₁₀ ¹⁴/₄₂+²¹/₅₀ ⁹⁸/₄₂+²¹/₁₀ ¹⁴/₄₂+²¹/₇₀

Add Fractions Calculator